They look a bit like modern street lamps or even oversized fountain pens that someone has stuck in the ground - but are supposed to produce energy: The Spanish company Vortex Bladeless wants to generate wind power by swinging instead of turning. … Continue reading
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The major problem of switching to renewable energy sources is the lack of available technologies for converting electricity derived from solar and wind energy into chemical fuel for long-term storage and in the opposite direction. There… Continue reading